GCC Code Coverage Report
Directory: ../../../ffmpeg/ Exec Total Coverage
File: src/libavcodec/movsub_bsf.c Lines: 0 33 0.0 %
Date: 2019-11-22 03:34:36 Branches: 0 14 0.0 %

Line Branch Exec Source
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/*
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 * Copyright (c) 2008 Reimar Döffinger
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 *
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 * This file is part of FFmpeg.
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 *
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 * FFmpeg is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
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 * version 2.1 of the License, or (at your option) any later version.
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 *
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 * FFmpeg is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with FFmpeg; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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 */
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#include "libavutil/common.h"
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#include "libavutil/intreadwrite.h"
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#include "avcodec.h"
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#include "bsf.h"
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static int text2movsub(AVBSFContext *ctx, AVPacket *out)
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{
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    AVPacket *in;
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    int ret = 0;
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    ret = ff_bsf_get_packet(ctx, &in);
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    if (ret < 0)
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        return ret;
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    if (in->size > 0xffff) {
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        ret = AVERROR_INVALIDDATA;
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        goto fail;
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    }
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    ret = av_new_packet(out, in->size + 2);
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    if (ret < 0) {
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        ret = AVERROR(ENOMEM);
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        goto fail;
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    }
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    ret = av_packet_copy_props(out, in);
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    if (ret < 0)
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        goto fail;
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    AV_WB16(out->data, in->size);
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    memcpy(out->data + 2, in->data, in->size);
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fail:
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    if (ret < 0)
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        av_packet_unref(out);
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    av_packet_free(&in);
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    return ret;
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}
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const AVBitStreamFilter ff_text2movsub_bsf = {
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    .name   = "text2movsub",
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    .filter = text2movsub,
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};
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static int mov2textsub(AVBSFContext *ctx, AVPacket *pkt)
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{
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    int ret = 0;
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    ret = ff_bsf_get_packet_ref(ctx, pkt);
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    if (ret < 0)
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        return ret;
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    if (pkt->size < 2) {
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       av_packet_unref(pkt);
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       return AVERROR_INVALIDDATA;
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    }
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    pkt->size  = FFMIN(pkt->size - 2, AV_RB16(pkt->data));
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    pkt->data += 2;
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    return 0;
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}
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const AVBitStreamFilter ff_mov2textsub_bsf = {
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    .name   = "mov2textsub",
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    .filter = mov2textsub,
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};